So basically I am trying to make a 0-1000 Volt power supply for my various experiments, so I can experiment with ANY tube I come across, including the very big ones. I would be dealing with mostly audio amplifier circuits, so nothing to big I imagine, but the problem is the transformers i'm using can supply the voltage, and more current than necessary, which would be quite unsafe, so what is the lowest value of fuse I should select for the high voltage range, that would both allow me to experiment and be "safe"?
notice the word 'safe' is in quotations; I know what I am getting into here And I also plan on using a lower rated fuse for anything below maybe say 500-600 volts, which knowing a good value for that range would also be appreciated too.
And also, I plan on having two separate voltage sources in this power supply, one for biasing and the other for the 1000 volt supply; how high would the biasing voltage be allowed to go?
I'm trying to have a general purpose tube power supply, so I can play with almost any circuit from the above mentioned details.